振荡器2NM54000C33YC编程SMD252¥7.80去看看帆儿集成电路发布了2NM54000C33YC 预编程振荡器 54MHz ±25ppm LVCMOS SMD252振荡器2NM54000C33YC编程25PPM¥7.60去看看立创商城发布了2NM54000C33YC 预编程振荡器 54MHZ 3.3V ±25PPM -40~85℃ LVCMO